Infiniti QX56 (Z62). Manual - part 700

EXL-92

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

HEADLAMP LEVELIZER CIRCUIT

3.

CHECK AIMING MOTOR DRIVE SIGNAL SHORT CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AFS control unit connector and headlamp aiming motor connector.

3.

Check continuity between AFS control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace AFS control unit. Refer to 

EXL-135, "Removal and Installation"

NO

>> Repair or replace harness.

AFS control unit

Ground

Continuity

Connector

Terminal

RH

M135

19

Not existed

LH

40

HEADLAMP AIMING SYSTEM (MANUAL)

EXL-93

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

HEADLAMP AIMING SYSTEM (MANUAL)

Component Inspection

INFOID:0000000006216752

1.

CHECK HEADLAMP AIMING SWITCH

1.

Remove headlamp aiming switch.

2.

Check resistance among each headlamp aiming switch terminal.

Is the inspection result normal?

YES

>> Headlamp aiming switch is normal.

NO

>> Replace the headlamp aiming switch.

Headlamp aiming switch

Condition

Resistance

(Approx.)

Terminal

Switch position

1

2

0

A: 910 

Ω

1

B: 680 

Ω

2

C: 510 

Ω

3

D: 390 

Ω

3

—

E: 390 

Ω

JSLIA0084ZZ

EXL-94

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

FRONT FOG LAMP CIRCUIT

FRONT FOG LAMP CIRCUIT

Component Function Check

INFOID:0000000006213962

1.

CHECK FRONT FOG LAMP OPERATION

CONSULT-III ACTIVE TEST

1.

Select “EXTERNAL LAMPS” of IPDM E/R active test item.

2.

With operating the test items, check that the front fog lamp is turned ON.

Is the inspection result normal?

YES

>> Front fog lamp circuit is normal.

NO

>> Refer to 

EXL-94, "Diagnosis Procedure"

. 

Diagnosis Procedure

INFOID:0000000006213963

1.

CHECK FRONT FOG LAMP FUSE

1.

Turn ignition switch OFF.

2.

Check that the following fuse is not fusing.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK FRONT FOG LAMP SHORT CIRCUIT

1.

Disconnect front fog lamp connector.

2.

Check continuity between IPDM E/R harness connector and ground.

Is the inspection result normal?

YES

>> Replace fuse. (Replace IPDM E/R if the fuse is fusing again.)

NO

>> Repair or replace harness. And then replace the fuse.

3.

CHECK FRONT FOG LAMP BULB

Check the applicable lamp bulb.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace bulb.

4.

CHECK FRONT FOG LAMP OUTPUT VOLTAGE

CONSULT-III ACTIVE TEST

1.

Disconnect front fog lamp connector.

2.

Turn ignition switch ON.

3.

Select “EXTERNAL LAMPS” of IPDM E/R active test item.

4.

With operating the test items, check voltage between IPDM E/R harness connector and ground.

Fog

: Front fog lamp ON

Off

: Front fog lamp OFF

Unit

Location

Fuse No.

Capacity

Front fog lamp

IPDM E/R

#50

15 A

IPDM E/R

Ground

Continuity

Connector

Terminal

RH

E12

19

Not existed

LH

20

FRONT FOG LAMP CIRCUIT

EXL-95

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace IPDM E/R.

5.

CHECK FRONT FOG LAMP OPEN CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector.

3.

Check continuity between IPDM E/R harness connector and front fog lamp harness connector.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness.

6.

CHECK FRONT FOG LAMP GROUND CIRCUIT OPEN CIRCUIT

Check continuity between front fog lamp harness connector and ground.

Is the inspection result normal?

YES

>> Replace front fog lamp.

NO

>> Repair or replace harness.

(+)

(

−

)

Test item

Voltage

(Approx.)

IPDM E/R

Connector

Terminal

RH

E12

19

Ground

EXTERNAL 
LAMPS

Fog

Battery voltage

Off

0 V

LH

20

Fog

Battery voltage

Off

0 V

IPDM E/R

Front fog lamp

Continuity

Connector

Terminal

Connector

Terminal

RH

E12

19

E48

1

Existed

LH

20

E30

Front fog lamp

Ground

Continuity

Connector

Terminal

RH

E48

2

Existed

LH

E30